/**
* Handle post request
*
* Find a reverse mapping to the parent, into received data and type
* reverse options. The mapping is used to create the entity to store.
*
* @param array $received_data
* @param TypeInterface $type type of the node to create
* @return array|null
*/
private function _handleCreate($received_data, TypeInterface $type)
{
$parent = null;
foreach ($type->getRevOptions() as $option) {
$rdf = NamespaceHelper::expandNamespace($option, $type->getVocabularies());
$about = $received_data[$this->jsonldEncode($rdf)];
if (!empty($about)) {
$parent = $this->_mapper->getBySubject($this->jsonldDecode(current($about)));
break;
}
}
$object = $this->_mapper->prepareObject($type, $parent);
$entity = $type->createWithObject($object);
return $this->_storeData($received_data, $entity);
}
